| Quasar India Ltd (538452) BSE - Bombay Stock Exchange | |
| Quantum Numbers Corp (QNC) CVE - Toronto TSX Ventures Exchange | |
| Qwest Corporation (CTY) NYSE - The New York Stock Exchange | |
| Qudian Inc - ADR (QD) NYSE - The New York Stock Exchange | |
| Quaker Chemical Corp (KWR) NYSE - The New York Stock Exchange | |
| QUALCOMM INC. DL-,0001 (QCI) ETR - Deutsche Börse XETRA | |
| Quad/Graphics, Inc. (QUAD) NYSE - The New York Stock Exchange | |
| QEP Resources Inc (QEP) NYSE - The New York Stock Exchange | |
| Quickstep Holdings Ltd. (QCKSF) OTCMKTS - OTC Markets | |
| Qiao Xing Universal Resources, Inc. (XINGF) OTCMKTS - OTC Markets | |
| Quantum Energy Ltd (ADR) (QUEGY) OTCMKTS - OTC Markets | |
| Quantum Energy Inc (QEGY) OTCMKTS - OTC Markets | |
| Quality House Property Fund (QULHF) OTCMKTS - OTC Markets | |
| Quantrx Biomedical Corporation (QTXB) OTCMKTS - OTC Markets | |
| Quantitative Alpha Trading Inc (QATSF) OTCMKTS - OTC Markets | |